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Tritech Device / Instrument

Gemini 720is

720 kHz real-time multibeam imaging sonar with 120° field of view and 30 Hz update rate for WROVs, ROVs and AUVs; rated to 1000 m or 4000 m.

Description

The Gemini 720is is a 720 kHz multibeam imaging sonar that delivers high-definition, real-time sonar images in poor visibility. A 120° field of view, tilted down 10°, and a fast 30 Hz update rate support smooth vehicle operations.

Key features

  • 120° horizontal and 20° vertical beamwidth, maximum range 120 m
  • 4 mm range resolution, 0.25° effective angular resolution
  • Integrated sound velocity sensor for accurate ranging
  • Ethernet or VDSL communications; 19 to 74 V DC, 16-27 W
  • Aluminium (1000 m) or titanium (4000 m) housings
  • Can be pole-mounted; supported by Genesis software with click-and-track and measurement tools

Applications

Work-class and inspection ROVs and AUVs, plus pole-mounted surface deployments for inspection and survey.

Specifications

Operating frequency720 kHz
Depth rating1000 m / 4000 m
Power requirements16 - 27 W (range dependent)
Supply voltage19 to 74 V DC
CommsEthernet, VDSL
MaterialAluminium / Titanium
Maximum range120 m
Horizontal beamwidth120°
Vertical beamwidth20° (tilted down 10°)
Effective angular resolution0.25°
Range resolution4 mm
Acoustic angular resolution1.0°

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